Homework: 7-1 MyAccountingLab Homework: Chapter 21 Question 5, E21-28 (similar to) Part 1 of 6 HW Score: 54.77%, 24 65 of 45 points Points: 1.8 of 9 Save Elvin Research plans to purchase a new centrifuge machine for its Washington facility. The machine costs $437,000 and is expected to have a useful life of 8 years, with a terminal disposal value of $42.000 Savings in cash operating costs are expected to be $85,000 per year. However, additional working capital is needed to keep the machine running efficiently. The working capital must continually be replaced, sin an wvestment of $15,000 needs to be maintained at all times, but this investment is fully recoverable (will be "cashed int) at the end of the useful life. Elvin Research's required rate of return is 8%. Ignors income taxes in your analysis. Assume all cash flows occur at year-end except for initial investment amounts. Elvin Research uses straight-line depreciation for its machines Present Value of $1 table Present Value of Annuity of $1 table Future Valve of $1able Future Value of Ammuty of $1 able Read the requirements Requirement 1. Calculate net present valus (Use factors to three decimal places, XXXXX, and use a minus sign or parentheses for a negative nel piment value Enter the net petalon of the rounded to the nearest whole dollar) The net present value is